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Tue, 28 May 2019 22:48:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559083703; bh=1lcuTO8r4FjCrgtzeV5AH8J5IwwIPxaTPIFzkL9GMxA=; h=Date:From:To:cc:Subject:From; b=15iL24htgosGHPqxQAvYN8aXa9nj2MZgJZPyO5POq+C6+DMGBs9xt0KKqj54QafUe Da16Ts8r5nt0nCZEDYzkqBeMQVTycFAa3Ctky72h4+SPj++G+VAqTox5G3j0toFwZv rGHZn42qcgxCXxHKyw8QHHgOraLDEyU4Tk6n2qdA= Date: Tue, 28 May 2019 15:48:22 -0700 (PDT) From: Stefano Stabellini X-X-Sender: sstabellini@sstabellini-ThinkPad-T480s To: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, jgross@suse.com Message-ID: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v2] xen/swiotlb: don't initialize swiotlb twice on arm64 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, Julien.Grall@arm.com, sstabellini@kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190528224822.rM7eZfwZSXO7-sGa7maCfLg7H_mMkrbh2myHfBF2QxU@z> RnJvbTogU3RlZmFubyBTdGFiZWxsaW5pIDxzdGVmYW5vc0B4aWxpbnguY29tPgoKT24gYXJtNjQg c3dpb3RsYiBpcyBvZnRlbiAobm90IGFsd2F5cykgYWxyZWFkeSBpbml0aWFsaXplZCBieSBtZW1f aW5pdC4KV2UgZG9uJ3Qgd2FudCB0byBpbml0aWFsaXplIGl0IHR3aWNlLCB3aGljaCB3b3VsZCB0 cmlnZ2VyIGEgc2Vjb25kCm1lbW9yeSBhbGxvY2F0aW9uLiBNb3Jlb3ZlciwgdGhlIHNlY29uZCBt ZW1vcnkgcG9vbCBpcyB0eXBpY2FsbHkgbWFkZSBvZgpoaWdoIHBhZ2VzIGFuZCBlbmRzIHVwIHJl cGxhY2luZyB0aGUgb3JpZ2luYWwgbWVtb3J5IHBvb2wgb2YgbG93IHBhZ2VzLgpBcyBhIHNpZGUg ZWZmZWN0IG9mIHRoaXMgY2hhbmdlLCBpdCBpcyBwb3NzaWJsZSB0byBoYXZlIGxvdyBwYWdlcyBp bgpzd2lvdGxiLXhlbiBvbiBhcm02NC4KClNpZ25lZC1vZmYtYnk6IFN0ZWZhbm8gU3RhYmVsbGlu aSA8c3RlZmFub3NAeGlsaW54LmNvbT4KLS0tCkNoYW5nZXMgaW4gdjI6Ci0gaW1wcm92ZSBjb21t aXQgbWVzc2FnZQotIGRvbid0IGFkZCBuZXN0ZWQgaWZzCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy94 ZW4vc3dpb3RsYi14ZW4uYyBiL2RyaXZlcnMveGVuL3N3aW90bGIteGVuLmMKaW5kZXggODc3YmFm Mi4uOGEzY2RkMSAxMDA2NDQKLS0tIGEvZHJpdmVycy94ZW4vc3dpb3RsYi14ZW4uYworKysgYi9k cml2ZXJzL3hlbi9zd2lvdGxiLXhlbi5jCkBAIC0yMTEsNiArMjExLDE1IEBAIGludCBfX3JlZiB4 ZW5fc3dpb3RsYl9pbml0KGludCB2ZXJib3NlLCBib29sIGVhcmx5KQogcmV0cnk6CiAJYnl0ZXMg PSB4ZW5fc2V0X25zbGFicyh4ZW5faW9fdGxiX25zbGFicyk7CiAJb3JkZXIgPSBnZXRfb3JkZXIo eGVuX2lvX3RsYl9uc2xhYnMgPDwgSU9fVExCX1NISUZUKTsKKworCS8qCisJICogSU8gVExCIG1l bW9yeSBhbHJlYWR5IGFsbG9jYXRlZC4gSnVzdCB1c2UgaXQuCisJICovCisJaWYgKGlvX3RsYl9z dGFydCAhPSAwKSB7CisJCXhlbl9pb190bGJfc3RhcnQgPSBwaHlzX3RvX3ZpcnQoaW9fdGxiX3N0 YXJ0KTsKKwkJZ290byBlbmQ7CisJfQorCiAJLyoKIAkgKiBHZXQgSU8gVExCIG1lbW9yeSBmcm9t IGFueSBsb2NhdGlvbi4KIAkgKi8KQEAgLTI0MCw3ICsyNDksNiBAQCBpbnQgX19yZWYgeGVuX3N3 aW90bGJfaW5pdChpbnQgdmVyYm9zZSwgYm9vbCBlYXJseSkKIAkJbV9yZXQgPSBYRU5fU1dJT1RM Ql9FTk9NRU07CiAJCWdvdG8gZXJyb3I7CiAJfQotCXhlbl9pb190bGJfZW5kID0geGVuX2lvX3Rs Yl9zdGFydCArIGJ5dGVzOwogCS8qCiAJICogQW5kIHJlcGxhY2UgdGhhdCBtZW1vcnkgd2l0aCBw YWdlcyB1bmRlciA0R0IuCiAJICovCkBAIC0yNjcsNiArMjc1LDggQEAgaW50IF9fcmVmIHhlbl9z d2lvdGxiX2luaXQoaW50IHZlcmJvc2UsIGJvb2wgZWFybHkpCiAJfSBlbHNlCiAJCXJjID0gc3dp b3RsYl9sYXRlX2luaXRfd2l0aF90YmwoeGVuX2lvX3RsYl9zdGFydCwgeGVuX2lvX3RsYl9uc2xh YnMpOwogCitlbmQ6CisJeGVuX2lvX3RsYl9lbmQgPSB4ZW5faW9fdGxiX3N0YXJ0ICsgYnl0ZXM7 CiAJaWYgKCFyYykKIAkJc3dpb3RsYl9zZXRfbWF4X3NlZ21lbnQoUEFHRV9TSVpFKTsKIAotLSAK Mi43LjQKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpY ZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw czovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs